108 x 128 x 39 mm

OS Giken's design allows for the fitment of more friction plates (up to 2x as many as competing versions)

other adapters can be screwed into this regulator port (sold separately HERE)

Shot peening to resist fatigue and extend lifespan

- Lead-copper design for greater durability and easy tracking with oil analysis like Blackstone (recommended)

5150 AutoSport High Performance Rod Bearing Kit, BMW S50B32 Sirius 108 x 128 x 39Our 5150 AutoSport Rod Bearing Kit is designed to be a significant upgrade from OEM bearings for your BMW S50B30 engine. This all inclusive package includes Calico coated rod bearings, ARP connecting rod bolts, and ARP assembly lubricanteverything you need for a reliable rod bearing replacement. Kit Contents: Calico Coated Rod Bearings ARP Connecting Rod Bolts ARP Assembly Lubricant Installation Instructions The Calico coated bearings provide